Introduction:National Laboratory Based Surveillance of Antimicrobial Resistance in urinary isolates conducted by the Sri Lanka College of Microbiologists was started in 2011 in collaboration with the Ministry of Health of Sri Lanka.

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Acinetobacter spp. is mainly addressed in the entity of healthcare associated infections. The organism has developed substantial antimicrobial resistance, making treatment of infections attributed to A. baumannii more difficult to manage. Prosthetic joint infection caused by Acinetobacter spp. is uncommon and only few case reports were found in the literature. This case alerts clinicians regarding the unusual aetiology of a prosthetic joint infection caused by multidrug resistant Acinetobacter spp. In such situations early institution of appropriate antibiotics is of utmost importance to combat the infection.

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Introduction: Data on PPE use and COVID-19 transmission in a healthcare setting is sparse.Method: This study is a retrospective descriptive study on PPE use and Covid-19 transmission in a hospital. Data collected during routine risk assessment was analyzed using SPSS_26 software.Results: A total of 108 COVID-19 positive patients were diagnosed in the hospital, of whom 17 were health care workers (HCW). Of the 108, 29 (26.9%) were asymptomatic. Aerosol generating procedures were performed in 10 events. Fifty three HCWs were quarantined for 14 days following exposure but only 4 developed the disease. Of the total 946 events, 945 had HCWs exposed within 1 metre to COVID-19 positive patients while one event had exposure to the equipment used on a patient. Of the 945 events within a 1 metre distance, attending HCWs wore respirators during 446 (47.1%) events. The source patient wore a mask only in 717 (75.9%) of the events. In 98 events, exposure was for more than 15 minutes. The Ct value of the source patient's PCR was between 15.54 to 24.06 or RAT positive when the HCWs acquired the infection while it ranged from 23.28 to 33 when the contacts did not develop the disease. Not having a mask on by the source (p=0.014), >15 minutes exposure within 1m (p=0.03) and not having a face shield in addition to a mask (p=0.019) had significant association with COVID-19 transmission.Conclusions: Acquiring COVID-19 infection in the hospital setting was uncommon (4/946) in spite of not using respirators during all healthcare exposures. In a quarter of the events, the 2